288561476 has 48 divisors (see below), whose sum is σ = 600378240. Its totient is φ = 118782720.

The previous prime is 288561461. The next prime is 288561491. The reversal of 288561476 is 674165882.

It is an interprime number because it is at equal distance from previous prime (288561461) and next prime (288561491).

It is a self number, because there is not a number n which added to its sum of digits gives 288561476.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71480 + ... + 75408.

It is an arithmetic number, because the mean of its divisors is an integer number (12507880).

Almost surely, 2^288561476 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 288561476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (300189120).

288561476 is an abundant number, since it is smaller than the sum of its proper divisors (311816764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

288561476 is a wasteful number, since it uses less digits than its factorization.

288561476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4044 (or 4042 counting only the distinct ones).

The product of its digits is 645120, while the sum is 47.

The square root of 288561476 is about 16987.0973388628. The cubic root of 288561476 is about 660.8143269558.

The spelling of 288561476 in words is "two hundred eighty-eight million, five hundred sixty-one thousand, four hundred seventy-six".